>>You have resources, someone else has a really good idea for how to use them. Financial instruments let the situation play out sensibly (you lend them resources, get back resources + something) with easy-to-manage legal enforcement if something goes wrong.

I agree with that in general; however, that's not the current premise of most cryptocurrencies - I see them more like gold in that you buy them and hold on to them; not as a capitalist investment into anything specific or generic. I may be wrong...